#include <Graphic3d_Group.hxx>
#include <Prs3d_LineAspect.hxx>
#include <TColgp_SequenceOfPnt.hxx>

//=======================================================================
//function : Add
//purpose  : 
//=======================================================================

void Prs3d_HLRShape::Add(const Handle (Prs3d_Presentation)& aPresentation,
			 const anyShape&                    aShape,
			 const Handle (Prs3d_Drawer)&       aDrawer,
			 const Handle (Prs3d_Projector)&    aProjector)
{
  HLRShapeTool Tool(aShape,aProjector->Projector());
  Standard_Integer NbEdge = Tool.NbEdges();
  Standard_Integer i;
  Standard_Real U1,U2;
  anyCurve TheCurve;
  Standard_Real def = aDrawer->MaximalChordialDeviation();
  Handle(Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup(aPresentation);

  aGroup->SetPrimitivesAspect(aDrawer->SeenLineAspect()->Aspect());
  
  aGroup->BeginPrimitives();
  Standard_Real anAngle = aDrawer->DeviationAngle();
  TColgp_SequenceOfPnt Points;
  for (i=1;i<=NbEdge;i++){
    for(Tool.InitVisible(i);Tool.MoreVisible();Tool.NextVisible()){
      Tool.Visible(TheCurve,U1,U2);
      CurvePresentation::Add(aPresentation,TheCurve,U1,U2,def, Points, anAngle);
    }
  }
  aGroup->EndPrimitives();

  if(aDrawer->DrawHiddenLine()){
    aGroup->SetPrimitivesAspect(aDrawer->HiddenLineAspect()->Aspect());     
    
    aGroup->BeginPrimitives();
    for (i=1;i<=NbEdge;i++){
      for(Tool.InitHidden(i);Tool.MoreHidden();Tool.NextHidden()){
	Tool.Hidden(TheCurve,U1,U2);
	CurvePresentation::Add(aPresentation,TheCurve,U1,U2,def, Points, anAngle);
      }
    }
    aGroup->EndPrimitives();
  }
}